PI3USB102
USB 2.0 High-Speed (480 Mbps) Signal Switch
Targeted for Battery Powered Applications
Features Description
USB 2.0 compliant (high speed and full speed) The PI3USB102 is a single differential channel 2:1 multiplexer/de-
multiplexer USB 2.0 Switch. Industry leading advantages include a
R is 4.0 typical @ V = 3.0V
ON DD
propagation delay of less than 250ps, resulting from its low channel
Low bit-to-bit skew
resistance and I/O capacitance. The device multiplexes differential
Low Crosstalk: 33dB @ 480 Mbps
outputs from a USB Host device to one of two corresponding outputs.
The switch is bidirectional and offers little or no attenuation of the
Off Isolation: 40dB @ 480 Mbps
high-speed signals at the outputs. It is designed for low bit-to-bit
Near-Zero propagation delay: 250ps
skew, high channel-to-channel noise isolation and is compatible
Switching speed: 9ns
with various standards, such as High Speed USB 2.0 (480 Mb/s).
Channel On Capacitance: 5.5pF
The PI3USB102 offers over voltage protection per the USB 2.0
speci cation. With the chip powered on or off, all I/O pins can
V Operating Range: 2.7V to 4.2V 10%
DD
withstand a short to Vbus (5V +/-10%). This feature can only be
Data pin I/O ESD: 8kV contact
offered if a 100-ohm pull up resistor is placed between V pin
DD
-0.5dB BW of 300MHz
to the power supply.
I/O pins have over-voltage protection and can tolerate a short
In situations where Vbus can be as high as 7V, Pericom recommends
to Vbus as long as resistor/diode is added between 3.3V
changing the resistor value from 100ohm to 200ohm. Pericom can
power rail and Pericom's V
DD
still support over-voltage protection up to 7V, as long as the 200ohm
Packaging (Pb-free & Green): resistor is present.
10-contact UQFN, 1.4mm x 1.8mm x 0.5mm (ZME10)
10-contact TQFN, 1.3mm x 1.6mm x 0.75mm (ZLE10)
Application
Routes signals for USB 2.0
Hand-held devices
Block Diagram Pin Description
OE
Y+ M+
Y- M-
D+
D-
10
9 8
Y+
1
7 D+
SEL
2
Y-
6
D-
5
3 4
Truth Table
SEL OE Y+ Y-
X H Hi-Z Hi-Z
LL M+ M-
H L D+ D-
PS8950C 11/20/08
08-0310 1
SEL
GND
M- V
DD
M+
OEPI3USB102
USB 2.0 High-Speed (480 Mbps) Signal Switch
Targeted for Battery Powered Applications
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Note: Stresses greater than those listed under MAXIMUM
Storage Temperature ......................................................65C to +150C
RATINGS may cause permanent damage to the device. This
Supply Voltage to Ground Potential .................................0.5V to +4.6V
is a stress rating only and functional operation of the device
DC Input Voltage .................................................................0.5V to +7V
at these or any other conditions above those indicated in the
operational sections of this speci cation is not implied. Ex-
DC Output Current ........................................................................120mA
posure to absolute maximum rating conditions for extended
Power Dissipation .............................................................................0.5W
periods may affect reliability.
DC Electrical Characteristics for USB 2.0 Switching over Operating Range
(T = 40C to +85C, V = 3.0 - 4.4V)
A DD
(1) (2)
Parameter Description Test Conditions Min. Typ. Max. Units
V = 4.2V 1.8
Guaranteed DD
V Input HIGH Voltage
IH
HIGH level
V = 3.3V 1.6
DD
V
V Input LOW Voltage Guaranteed HIGH level 0.8
IL
V Clamp Diode Voltage V = Max., I = 18mA -1.2
IK DD IK
I Input HIGH Current V = Max., V = VDD 5
IH DD IH
uA
I Input LOW Current V = Max., V = GND 5
IL DD IL
V = Min., -0.4V V 1.0V
DD input ,
(3)
R Switch On-Resistance 4.0 5.0
ON
I = 40mA
ON
V = Min., -0.4V V 1.0V,
DD input
(3)
R On-Resistance Flatness 1.5
FLAT(ON)
I = -40mA
ON
On-Resistance match from center V = Min., -0.4V V 1.0V,
DD input
R 0.9 2.0
ON (3)
ports to any other port I = -40mA
ON
I/O leakage current when port is V = 4.3V, V = 0 to 3.6V,
DD input
I 2 uA
OZ
off switch = off, OE = HIGH
Notes:
1. For max. or min. conditions, use appropriate value speci ed under Electrical Characteristics for the applicable device type.
2. V = 3.0 - 4.4V, T = 25C ambient and maximum loading.
DD A
3. Measured by the voltage drop between D and D pin at indicated current through the Switch On-Resistance is determined by the lower of the
n
voltages on the two (D, D ) pins.
n
Power Supply Characteristics (V = 3.0 - 4.4V)
DD
(1)
Parameters Description Test Conditions Min. Typ. Max. Units
I Quiescent Power Supply Current V = Max., OE = GND or V 1 uA
CC DD DD
V = Max, V = 1.3V - 2.1V 15 uA
DD SEL
Notes:
1. For max. or min. conditions, use appropriate value speci ed under Electrical Characteristics for the applicable device type.
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